2004-03-04  Sven Neumann  <sven@gimp.org>

	* autogen.sh: follow the changes done for other modules such as
	glib, pango and gtk+:

	- exit with $? instead of 1 in case of failure
	- exit with $? if ./configure failed
	- removed --enable-gtk-doc option
	- added $AUTOGEN_CONFIGURE_ARGS

	* HACKING: document the new behaviour.